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An amplitude modulated wave is modulated...

An amplitude modulated wave is modulated to `50%`. What is the saving in power if carrier as well as one of the side band are suppressed?

A

`70% `

B

`65.4%`

C

`94.4% `

D

`25.5%`

Text Solution

Verified by Experts

The correct Answer is:
C
`P_(sb)=P_(C)(m/2)^2 =P_C((0.5)^2)/(4)=0.0625` Pc
`P=P_(c) (1+m^2/2)=P_c(1+((0.5)^2)/2)=1.125 P_C`
% Saving `((1.125 P_C-0.0625 P_c))/(1.125P_C)xx100 = 94.4%`
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